25691

Appears in sequences

• Least k such that the first k terms of A006928 contain n more 2's than 1's.at n=16A025507
• Numbers n such that 3*2^(n-1) - 1 is prime.at n=35A091997
• Indices in A006928 where the imbalance between 1's and 2's sets a new record.at n=29A274775
• Triangle read by rows: T(n,k) is the number of length n words over an n-ary alphabet such that the maximal cardinality of C is k, where C is a subset of the alphabet such that all letters in C appear in weakly increasing order within the word.at n=23A387336